package com.xhdx.pattern.chain;
/**
 * （抽象处理者角色）
 *  等级
 */
public abstract class Grade {
    protected Grade grade;
    
    abstract void handle(String program);
    public Grade getGrade() {
        return grade;
    }
    public void setGrade(Grade Grade) {
        this.grade = Grade;
    }
}